Subject:
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Re: Book question
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 23 Nov 2000 02:23:49 GMT
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Viewed:
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1051 times
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Sean Kelly wrote:
> [...]
> But then I saw Knudsen's Minerva model instructions at
>
> http://www.oreilly.com/catalog/lmstorms/building/minerva1.5/StepsA.html
>
> from the Unofficial Guide to LEGO Mindstorms. It's
> really clever and economical in its use of motors and
> sensors. He gets forward and spin-in-place movement
> without a differential, plus lifting and grabbing.
Regarding reviews, I won't try to influence you. However, the books have
been reviewed before:
http://slashdot.org/books/99/11/24/0928207.shtml
http://slashdot.org/books/99/12/23/1419242.shtml
http://news.lugnet.com/robotics/?n=8835
http://news.lugnet.com/robotics/?n=8485
http://www.oreilly.com/catalog/lmstorms/reviews.html
The reviews at Slashdot and LUGNET are pretty informative. No doubt
there are plenty of other reviews if you dig a little deeper.
Regarding Minerva, thank you, I'm glad you liked her, because I really
bled over Minerva. In fact I bled over Minerva twice--the design shown
on the web is markedly different from the one in the book. The gear
counts changed between RIS 1.0 and 1.5, and Minerva as originally
designed couldn't be built with 1.5. As a result, I actually solved the
forward/turn-in-place problem two different ways. The second time is
much simpler--the first time involved one sliding worm gear driving four
8t gears.
I can't take credit for the arm and grabber--that came (with permission)
from Ben Williamson's brilliant Fetchbot:
http://216.100.248.143/~benw/lego/
If you do get my book, be sure to use the online building instructions,
as they'll be a lot easier to see than the ones in the book (and RIS 1.5
compliant as well). The base URL for the instructions is here:
http://www.oreilly.com/catalog/lmstorms/building/
Regards,
Jonathan
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Message has 1 Reply:
 | | I'm a newbie
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| Hi. This is my second mail to the group... and dont ask me what happened to the first one, I honestly dot know. Anyways, here's hte scenario. I'm tryina make a biped from Mindstorms, but I dont know where to start. Any suggestions ? Waqas (24 years ago, 23-Nov-00, to lugnet.robotics)
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Message is in Reply To:
| | Re: Book question
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| (...) Actually, I wouldn't mind hearing some honest reviews of both books, especially from people who have both. Anyone? Anyone? I went with Dave Baum's because I was told it had better description of building technique, which is where I'm weak. But (...) (24 years ago, 22-Nov-00, to lugnet.robotics)
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